/*
 * mmx.h
 * Copyright (C) 1997-2001 H. Dietz and R. Fisher
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */
#ifndef AVCODEC_I386MMX_H
#define AVCODEC_I386MMX_H

/*
 * The type of an value that fits in an MMX register (note that long
 * long constant values MUST be suffixed by LL and unsigned long long
 * values by ULL, lest they be truncated by the compiler)
 */

union mmx_t {
	long long               q;      /* Quadword (64-bit) value */
	unsigned long long      uq;     /* Unsigned Quadword */
	int                     d[2];   /* 2 Doubleword (32-bit) values */
	unsigned int            ud[2];  /* 2 Unsigned Doubleword */
	short                   w[4];   /* 4 Word (16-bit) values */
	unsigned short          uw[4];  /* 4 Unsigned Word */
	char                    b[8];   /* 8 Byte (8-bit) values */
	unsigned char           ub[8];  /* 8 Unsigned Byte */
	float                   s[2];   /* Single-precision (32-bit) value */
};        /* On an 8-byte (64-bit) boundary */

/* SSE registers */
union xmm_t {
	char b[16];
};


#define         mmx_i2r(op, imm, reg) \
	__asm__ __volatile__ (#op " %0, %%" #reg \
			: /* nothing */ \
			: "i" (imm))

#define         mmx_m2r(op, mem, reg) \
	__asm__ __volatile__ (#op " %0, %%" #reg \
			: /* nothing */ \
			: "m" (mem))

#define         mmx_r2m(op, reg, mem) \
	__asm__ __volatile__ (#op " %%" #reg ", %0" \
			: "=m" (mem) \
			: /* nothing */)

#define         mmx_r2r(op, regs, regd) \
	__asm__ __volatile__ (#op " %" #regs ", %" #regd)


#define         emms() __asm__ __volatile__ ("emms")

#define         movd_m2r(var, reg)           mmx_m2r(movd, var, reg)
#define         movd_r2m(reg, var)           mmx_r2m(movd, reg, var)
#define         movd_r2r(regs, regd)         mmx_r2r(movd, regs, regd)

#define         movq_m2r(var, reg)           mmx_m2r(movq, var, reg)
#define         movq_r2m(reg, var)           mmx_r2m(movq, reg, var)
#define         movq_r2r(regs, regd)         mmx_r2r(movq, regs, regd)

#define         packssdw_m2r(var, reg)       mmx_m2r(packssdw, var, reg)
#define         packssdw_r2r(regs, regd)     mmx_r2r(packssdw, regs, regd)
#define         packsswb_m2r(var, reg)       mmx_m2r(packsswb, var, reg)
#define         packsswb_r2r(regs, regd)     mmx_r2r(packsswb, regs, regd)

#define         packuswb_m2r(var, reg)       mmx_m2r(packuswb, var, reg)
#define         packuswb_r2r(regs, regd)     mmx_r2r(packuswb, regs, regd)

#define         paddb_m2r(var, reg)          mmx_m2r(paddb, var, reg)
#define         paddb_r2r(regs, regd)        mmx_r2r(paddb, regs, regd)
#define         paddd_m2r(var, reg)          mmx_m2r(paddd, var, reg)
#define         paddd_r2r(regs, regd)        mmx_r2r(paddd, regs, regd)
#define         paddw_m2r(var, reg)          mmx_m2r(paddw, var, reg)
#define         paddw_r2r(regs, regd)        mmx_r2r(paddw, regs, regd)

#define         paddsb_m2r(var, reg)         mmx_m2r(paddsb, var, reg)
#define         paddsb_r2r(regs, regd)       mmx_r2r(paddsb, regs, regd)
#define         paddsw_m2r(var, reg)         mmx_m2r(paddsw, var, reg)
#define         paddsw_r2r(regs, regd)       mmx_r2r(paddsw, regs, regd)

#define         paddusb_m2r(var, reg)        mmx_m2r(paddusb, var, reg)
#define         paddusb_r2r(regs, regd)      mmx_r2r(paddusb, regs, regd)
#define         paddusw_m2r(var, reg)        mmx_m2r(paddusw, var, reg)
#define         paddusw_r2r(regs, regd)      mmx_r2r(paddusw, regs, regd)

#define         pand_m2r(var, reg)           mmx_m2r(pand, var, reg)
#define         pand_r2r(regs, regd)         mmx_r2r(pand, regs, regd)

#define         pandn_m2r(var, reg)          mmx_m2r(pandn, var, reg)
#define         pandn_r2r(regs, regd)        mmx_r2r(pandn, regs, regd)

#define         pcmpeqb_m2r(var, reg)        mmx_m2r(pcmpeqb, var, reg)
#define         pcmpeqb_r2r(regs, regd)      mmx_r2r(pcmpeqb, regs, regd)
#define         pcmpeqd_m2r(var, reg)        mmx_m2r(pcmpeqd, var, reg)
#define         pcmpeqd_r2r(regs, regd)      mmx_r2r(pcmpeqd, regs, regd)
#define         pcmpeqw_m2r(var, reg)        mmx_m2r(pcmpeqw, var, reg)
#define         pcmpeqw_r2r(regs, regd)      mmx_r2r(pcmpeqw, regs, regd)

#define         pcmpgtb_m2r(var, reg)        mmx_m2r(pcmpgtb, var, reg)
#define         pcmpgtb_r2r(regs, regd)      mmx_r2r(pcmpgtb, regs, regd)
#define         pcmpgtd_m2r(var, reg)        mmx_m2r(pcmpgtd, var, reg)
#define         pcmpgtd_r2r(regs, regd)      mmx_r2r(pcmpgtd, regs, regd)
#define         pcmpgtw_m2r(var, reg)        mmx_m2r(pcmpgtw, var, reg)
#define         pcmpgtw_r2r(regs, regd)      mmx_r2r(pcmpgtw, regs, regd)

#define         pmaddwd_m2r(var, reg)        mmx_m2r(pmaddwd, var, reg)
#define         pmaddwd_r2r(regs, regd)      mmx_r2r(pmaddwd, regs, regd)

#define         pmulhw_m2r(var, reg)         mmx_m2r(pmulhw, var, reg)
#define         pmulhw_r2r(regs, regd)       mmx_r2r(pmulhw, regs, regd)

#define         pmullw_m2r(var, reg)         mmx_m2r(pmullw, var, reg)
#define         pmullw_r2r(regs, regd)       mmx_r2r(pmullw, regs, regd)

#define         por_m2r(var, reg)            mmx_m2r(por, var, reg)
#define         por_r2r(regs, regd)          mmx_r2r(por, regs, regd)

#define         pslld_i2r(imm, reg)          mmx_i2r(pslld, imm, reg)
#define         pslld_m2r(var, reg)          mmx_m2r(pslld, var, reg)
#define         pslld_r2r(regs, regd)        mmx_r2r(pslld, regs, regd)
#define         psllq_i2r(imm, reg)          mmx_i2r(psllq, imm, reg)
#define         psllq_m2r(var, reg)          mmx_m2r(psllq, var, reg)
#define         psllq_r2r(regs, regd)        mmx_r2r(psllq, regs, regd)
#define         psllw_i2r(imm, reg)          mmx_i2r(psllw, imm, reg)
#define         psllw_m2r(var, reg)          mmx_m2r(psllw, var, reg)
#define         psllw_r2r(regs, regd)        mmx_r2r(psllw, regs, regd)

#define         psrad_i2r(imm, reg)          mmx_i2r(psrad, imm, reg)
#define         psrad_m2r(var, reg)          mmx_m2r(psrad, var, reg)
#define         psrad_r2r(regs, regd)        mmx_r2r(psrad, regs, regd)
#define         psraw_i2r(imm, reg)          mmx_i2r(psraw, imm, reg)
#define         psraw_m2r(var, reg)          mmx_m2r(psraw, var, reg)
#define         psraw_r2r(regs, regd)        mmx_r2r(psraw, regs, regd)

#define         psrld_i2r(imm, reg)          mmx_i2r(psrld, imm, reg)
#define         psrld_m2r(var, reg)          mmx_m2r(psrld, var, reg)
#define         psrld_r2r(regs, regd)        mmx_r2r(psrld, regs, regd)
#define         psrlq_i2r(imm, reg)          mmx_i2r(psrlq, imm, reg)
#define         psrlq_m2r(var, reg)          mmx_m2r(psrlq, var, reg)
#define         psrlq_r2r(regs, regd)        mmx_r2r(psrlq, regs, regd)
#define         psrlw_i2r(imm, reg)          mmx_i2r(psrlw, imm, reg)
#define         psrlw_m2r(var, reg)          mmx_m2r(psrlw, var, reg)
#define         psrlw_r2r(regs, regd)        mmx_r2r(psrlw, regs, regd)

#define         psubb_m2r(var, reg)          mmx_m2r(psubb, var, reg)
#define         psubb_r2r(regs, regd)        mmx_r2r(psubb, regs, regd)
#define         psubd_m2r(var, reg)          mmx_m2r(psubd, var, reg)
#define         psubd_r2r(regs, regd)        mmx_r2r(psubd, regs, regd)
#define         psubw_m2r(var, reg)          mmx_m2r(psubw, var, reg)
#define         psubw_r2r(regs, regd)        mmx_r2r(psubw, regs, regd)

#define         psubsb_m2r(var, reg)         mmx_m2r(psubsb, var, reg)
#define         psubsb_r2r(regs, regd)       mmx_r2r(psubsb, regs, regd)
#define         psubsw_m2r(var, reg)         mmx_m2r(psubsw, var, reg)
#define         psubsw_r2r(regs, regd)       mmx_r2r(psubsw, regs, regd)

#define         psubusb_m2r(var, reg)        mmx_m2r(psubusb, var, reg)
#define         psubusb_r2r(regs, regd)      mmx_r2r(psubusb, regs, regd)
#define         psubusw_m2r(var, reg)        mmx_m2r(psubusw, var, reg)
#define         psubusw_r2r(regs, regd)      mmx_r2r(psubusw, regs, regd)

#define         punpckhbw_m2r(var, reg)      mmx_m2r(punpckhbw, var, reg)
#define         punpckhbw_r2r(regs, regd)    mmx_r2r(punpckhbw, regs, regd)
#define         punpckhdq_m2r(var, reg)      mmx_m2r(punpckhdq, var, reg)
#define         punpckhdq_r2r(regs, regd)    mmx_r2r(punpckhdq, regs, regd)
#define         punpckhwd_m2r(var, reg)      mmx_m2r(punpckhwd, var, reg)
#define         punpckhwd_r2r(regs, regd)    mmx_r2r(punpckhwd, regs, regd)

#define         punpcklbw_m2r(var, reg)      mmx_m2r(punpcklbw, var, reg)
#define         punpcklbw_r2r(regs, regd)    mmx_r2r(punpcklbw, regs, regd)
#define         punpckldq_m2r(var, reg)      mmx_m2r(punpckldq, var, reg)
#define         punpckldq_r2r(regs, regd)    mmx_r2r(punpckldq, regs, regd)
#define         punpcklwd_m2r(var, reg)      mmx_m2r(punpcklwd, var, reg)
#define         punpcklwd_r2r(regs, regd)    mmx_r2r(punpcklwd, regs, regd)

#define         pxor_m2r(var, reg)           mmx_m2r(pxor, var, reg)
#define         pxor_r2r(regs, regd)         mmx_r2r(pxor, regs, regd)


/* 3DNOW extensions */

#define         pavgusb_m2r(var, reg)        mmx_m2r(pavgusb, var, reg)
#define         pavgusb_r2r(regs, regd)      mmx_r2r(pavgusb, regs, regd)


/* AMD MMX extensions - also available in intel SSE */


#define         mmx_m2ri(op, mem, reg, imm) \
	__asm__ __volatile__ (#op " %1, %0, %%" #reg \
			: /* nothing */ \
			: "m" (mem), "i" (imm))
#define         mmx_r2ri(op, regs, regd, imm) \
	__asm__ __volatile__ (#op " %0, %%" #regs ", %%" #regd \
			: /* nothing */ \
			: "i" (imm))

#define         mmx_fetch(mem, hint) \
	__asm__ __volatile__ ("prefetch" #hint " %0" \
			: /* nothing */ \
			: "m" (mem))


#define         maskmovq(regs, maskreg)      mmx_r2ri(maskmovq, regs, maskreg)

#define         movntq_r2m(mmreg, var)       mmx_r2m(movntq, mmreg, var)

#define         pavgb_m2r(var, reg)          mmx_m2r(pavgb, var, reg)
#define         pavgb_r2r(regs, regd)        mmx_r2r(pavgb, regs, regd)
#define         pavgw_m2r(var, reg)          mmx_m2r(pavgw, var, reg)
#define         pavgw_r2r(regs, regd)        mmx_r2r(pavgw, regs, regd)

#define         pextrw_r2r(mmreg, reg, imm)  mmx_r2ri(pextrw, mmreg, reg, imm)

#define         pinsrw_r2r(reg, mmreg, imm)  mmx_r2ri(pinsrw, reg, mmreg, imm)

#define         pmaxsw_m2r(var, reg)         mmx_m2r(pmaxsw, var, reg)
#define         pmaxsw_r2r(regs, regd)       mmx_r2r(pmaxsw, regs, regd)

#define         pmaxub_m2r(var, reg)         mmx_m2r(pmaxub, var, reg)
#define         pmaxub_r2r(regs, regd)       mmx_r2r(pmaxub, regs, regd)

#define         pminsw_m2r(var, reg)         mmx_m2r(pminsw, var, reg)
#define         pminsw_r2r(regs, regd)       mmx_r2r(pminsw, regs, regd)

#define         pminub_m2r(var, reg)         mmx_m2r(pminub, var, reg)
#define         pminub_r2r(regs, regd)       mmx_r2r(pminub, regs, regd)

#define         pmovmskb(mmreg, reg) \
	__asm__ __volatile__ ("movmskps %" #mmreg ", %" #reg)

#define         pmulhuw_m2r(var, reg)        mmx_m2r(pmulhuw, var, reg)
#define         pmulhuw_r2r(regs, regd)      mmx_r2r(pmulhuw, regs, regd)

#define         prefetcht0(mem)              mmx_fetch(mem, t0)
#define         prefetcht1(mem)              mmx_fetch(mem, t1)
#define         prefetcht2(mem)              mmx_fetch(mem, t2)
#define         prefetchnta(mem)             mmx_fetch(mem, nta)

#define         psadbw_m2r(var, reg)         mmx_m2r(psadbw, var, reg)
#define         psadbw_r2r(regs, regd)       mmx_r2r(psadbw, regs, regd)

#define         pshufw_m2r(var, reg, imm)    mmx_m2ri(pshufw, var, reg, imm)
#define         pshufw_r2r(regs, regd, imm)  mmx_r2ri(pshufw, regs, regd, imm)

#define         sfence() __asm__ __volatile__ ("sfence\n\t")

/* SSE2 */
#define         pshufhw_m2r(var, reg, imm)   mmx_m2ri(pshufhw, var, reg, imm)
#define         pshufhw_r2r(regs, regd, imm) mmx_r2ri(pshufhw, regs, regd, imm)
#define         pshuflw_m2r(var, reg, imm)   mmx_m2ri(pshuflw, var, reg, imm)
#define         pshuflw_r2r(regs, regd, imm) mmx_r2ri(pshuflw, regs, regd, imm)

#define         pshufd_r2r(regs, regd, imm)  mmx_r2ri(pshufd, regs, regd, imm)

#define         movdqa_m2r(var, reg)         mmx_m2r(movdqa, var, reg)
#define         movdqa_r2m(reg, var)         mmx_r2m(movdqa, reg, var)
#define         movdqa_r2r(regs, regd)       mmx_r2r(movdqa, regs, regd)
#define         movdqu_m2r(var, reg)         mmx_m2r(movdqu, var, reg)
#define         movdqu_r2m(reg, var)         mmx_r2m(movdqu, reg, var)
#define         movdqu_r2r(regs, regd)       mmx_r2r(movdqu, regs, regd)

#define         pmullw_r2m(reg, var)         mmx_r2m(pmullw, reg, var)

#define         pslldq_i2r(imm, reg)         mmx_i2r(pslldq, imm, reg)
#define         psrldq_i2r(imm, reg)         mmx_i2r(psrldq, imm, reg)

#define         punpcklqdq_r2r(regs, regd)   mmx_r2r(punpcklqdq, regs, regd)
#define         punpckhqdq_r2r(regs, regd)   mmx_r2r(punpckhqdq, regs, regd)


#endif /* AVCODEC_I386MMX_H */
